Kenji Irie

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Yokohamashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparation of a surface-coated metal-made ornamental art...
- Patent number 5,091,224
- Issue date Feb 25, 1992
- Citizen Watch Co., Ltd.
- Hachiro Kushida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for finishing matted surface on a metal-made article for per...
- Patent number 4,507,184
- Issue date Mar 26, 1985
- Citizen Watch Co., Ltd.
- Toshio Murata
- B44 - DECORATIVE ARTS
Information Patent Grant
Bicolored polyhedral body of aluminum
- Patent number 4,419,409
- Issue date Dec 6, 1983
- Citizen Watch Co. Ltd.
- Machiro Kushida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for manufacturing bicolored polyhedral body of aluminum
- Patent number 4,375,391
- Issue date Mar 1, 1983
- Citizen Watch Co., Ltd.
- Hachiro Kushida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR